Abstract: The tissue removal device using focused ultrasound includes a focused ultrasound output unit, a mode setting unit to set an output mode of the focused ultrasound, and a control unit to control output characteristics of the focused ultrasound according to the set mode, wherein the output mode is selected from a first mode for removing a tissue in a local area using a vapor bubble formed by the focused ultrasound, a second mode for removing a tissue in a narrower area than the first mode by controlling the output characteristics of the focused ultrasound immediately after the vapor bubble is formed by the focused ultrasound, and a third mode for obtaining a skin tightening effect by generating heating in a subcutaneous fat layer using focused ultrasound of lower intensity and a longer pulse length than the first mode and the second mode.
Type:
Grant
Filed:
May 31, 2022
Date of Patent:
March 18, 2025
Assignee:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventors:
Ki Joo Pahk, Jeong Min Heo, Jun Hong Park
Abstract: A high resolution fluorescence imaging device includes a light guide plate having a fluid channel which allows a solution containing a fluorescent sample to pass; a light source disposed on a side of the light guide plate to irradiate light inward the light guide plate; an image sensor disposed under the light guide plate; and a thin film interposed between the light guide plate and the image sensor, wherein the thin film has a first surface having a plurality of pillars and a second surface, the pillars separate the light guide plate and the image sensor apart from each other, and the second surface is bonded to the light guide plate. According to an embodiment, since the light guide plate acts in place of a filter element, it is possible to manufacture in ultrasmall size and achieve multiple fluorescence imaging without replacing a filter.
Type:
Grant
Filed:
October 7, 2022
Date of Patent:
March 11, 2025
Assignee:
Korea Institute of Science and Technology
Abstract: The present disclosure relates to a fiber network operation apparatus for providing a method of determining a physical path in consideration of network performance and resource efficiency in a space division multiplexing-based fiber network and allocating optical resources according thereto, and an operation method thereof.
Type:
Grant
Filed:
September 15, 2022
Date of Patent:
March 4, 2025
Assignee:
KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION
Abstract: The present disclosure relates to an apparatus for detecting microplastics based on optical technology, more particularly the present disclosure relates to an apparatus for detecting microplastics, which is capable of detecting and analyzing microplastics of various sizes that exist in a fluid in real time regardless of transparency using a microfluidic chip based on optical technology.
Type:
Grant
Filed:
March 21, 2023
Date of Patent:
March 4, 2025
Assignee:
Korea Institute of Science and Technology
Inventors:
Seok Won Hong, Jae Hun Kim, Jiyun Han, Subeen Park
Abstract: A real-time acoustic simulation method based on artificial intelligence according to an embodiment of the present disclosure includes acquiring medical image data of a target area to be treated; determining ultrasound parameters related to the output of an ultrasonic transducer based on the medical image data; inputting the ultrasound parameters to a numerical model to generate a numerical model based acoustic simulation image for a specific position of the ultrasonic transducer; training an artificial intelligence model using the medical image data and the numerical model based acoustic simulation image; generating an artificial intelligence model based acoustic simulation image for an arbitrary position of the ultrasonic transducer using the trained artificial intelligence model; and outputting a real-time acoustic simulation image with a position change of the ultrasonic transducer.
Type:
Grant
Filed:
March 31, 2022
Date of Patent:
March 4, 2025
Assignee:
Korea Institute of Science and Technology
Inventors:
Hyung Min Kim, Kyungho Yoon, Tae Young Park, Heekyung Koh
Abstract: Provided are astersaponin I, which is a novel triterpene saponin derivative isolated and identified from a Aster koraiensis Nakai (Korean starwort) extract, and a use thereof for preventing or treating a neurodegenerative disorder.
Type:
Grant
Filed:
March 12, 2021
Date of Patent:
February 25, 2025
Assignee:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventors:
Hyun Ok Yang, Hak Cheol Kwon, Li Jun Zhang, Jaeyoung Kwon, Kee Beom Ko
Abstract: The present disclosure relates to a polybenzimidazole-based electrolyte membrane for alkaline water electrolysis, which includes a polybenzimidazole-based polymer, wherein the polybenzimidazole-based polymer is a biaxially oriented film. The polybenzimidazole-based electrolyte membrane for alkaline water electrolysis can reduce the concentration of an alkaline solution by improving the crystallinity of a polybenzimidazole-based polymer to increase the resistance against base, significantly improving the long-term stability of alkaline water electrolysis using a polybenzimidazole-based electrolyte membrane through the improved resistance against base, and by increasing the operation temperature to enhance the catalyst activity.
Type:
Grant
Filed:
January 31, 2022
Date of Patent:
February 18, 2025
Assignee:
Korea Institute of Science and Technology
Inventors:
Hyoung-Juhn Kim, Taekyung Lee, So Young Lee, Hee-Young Park, Bora Seo, Hyun Seo Park, Jong Hyun Jang, Tae Hoon Lim
Abstract: Provided is an apparatus for cell particle sorting based on microfluidic-chip flow, by using a design in which Dean flow focusing occurring in a spiral channel and hydrodynamic filtration are coupled. The apparatus comprises a first substrate including a spiral channel having an inner surface and an outer surface based on a radius of curvature, a sample solution inlet, a medium inlet, and a spiral inner-outlet and a spiral outer-outlet both for discharging the particles, and a second substrate including a main channel in which the sample solution discharged from the first substrate and passing through an inter-substrate way flows and a cut-off width WC is set, a side channel allowing a medium introduced into the medium inlet to flow to focus the sample solution on a sidewall of the main channel, a plurality of branch channels connected to the sidewall of main channel and configured to receive the particles from the main channel, a main channel outlet, and at least one branch channel outlet.
Type:
Grant
Filed:
October 29, 2020
Date of Patent:
February 18, 2025
Assignee:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventors:
Myung-Suk Chun, Sun Mi Lee, Jae Hun Kim, Chansung Park
Abstract: A radar-absorbing fiber-reinforced structure includes a fiber composite discharging part. The fiber composite discharging part includes a first electrode part and a second electrode part, which are spaced apart from each other by a dielectric layer and receive different voltages. The fiber composite discharging part is configured to discharge plasma in response to a voltage difference thereby changing a reflected wave or transmitted wave of a radar incident on the radar-absorbing fiber-reinforced structure to reduce reflectivity of the radar. At least one of the first electrode part and the second electrode part include a conductive fiber having a tensile strength equal to or more than 0.5 GPa.
Type:
Grant
Filed:
December 22, 2021
Date of Patent:
February 11, 2025
Assignee:
Korea Institute of Science and Technology
Inventors:
Hun-Su Lee, Hyunsu Kim, Minkook Kim, Cheol-Min Yang, Dongsu Lee
Abstract: Provided is a capacitive micromachined ultrasonic transducer (CMUT) including a substrate, a top electrode provided on the substrate to be spaced apart from the substrate, a supporter made of an insulating material and coupled between the substrate and an edge of the top electrode to support and fix the edge of the top electrode and to define a gap between the substrate and the edge of the top electrode, and a plurality of nanoposts having both ends coupled and fixed to the substrate and the top electrode in the gap, and being compressible and stretchable in a longitudinal direction to at least vertically move the top electrode when power is applied to the top electrode.
Type:
Grant
Filed:
January 29, 2020
Date of Patent:
February 4, 2025
Assignees:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SEOUL NATIONAL UNIVERSITY HOSPITAL
Abstract: A non-contact interface device for a vehicle and a method for controlling the same, may display an operation system menu for a driver and passengers to operate various kinds of devices of the vehicle as a hologram, enable a user to operate the displayed operation system menu in a non-contact manner by use of the user's finger or the like, and provide the user with a tactile feedback for a non-contact operation, so that the user can recognize whether to have operated the menu.
Type:
Application
Filed:
November 20, 2023
Publication date:
January 30, 2025
Applicants:
HYUNDAI MOTOR COMPANY, KIA CORPORATION, Korea Institute of Science and Technology
Inventors:
Dong Gu Kim, Jang Hyeon Lee, Dae Sung Kwon, Hyun Soo Kim, Il Seon Yoo, Byung Chul Lee, Seong Hun Cho, Seung Hyub Baek, Min Seok Kim, Soo Young Jung
Abstract: Embodiments relate to a semiconductor device, which includes: a substrate made of a first material; an insulating layer formed on an upper surface of the substrate; a trench formed at the insulating layer to penetrate the insulating layer toward the substrate; and a seed layer disposed in the trench. The seed layer is made of a second material, the second material lattice-mismatches with respect to the first material, the seed layer includes a threading dislocation extending at least partially in a first direction non-parallel to the upper surface of the substrate and parallel to a <110> direction of a (111) plane and a threading dislocation extending at least partially in a second direction, and the extension of the threading dislocation is terminated at a sidewall of the trench.
Type:
Grant
Filed:
January 25, 2022
Date of Patent:
January 28, 2025
Assignee:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Abstract: Embodiments of inventive concepts relate to a neuromorphic circuit including a flash memory-based spike regulator capable of generating a stable spike signal with a small number of devices. The neuromorphic circuit may generate a simple and stable spike signal using a flash memory-based spike regulator. Therefore, it is possible to implement a semiconductor neuromorphic circuit at low power and low cost by using the spike regulator of the present invention. Example embodiments of inventive concepts provide a neuromorphic circuit comprising a control signal generator for generating a control signal for generating a pulse signal; and a spike regulator for generating a spike signal in response to the control signal.
Type:
Grant
Filed:
March 18, 2021
Date of Patent:
January 28, 2025
Assignee:
Korea Institute of Science and Technology
Inventors:
Joon Young Kwak, Suyoun Lee, Inho Kim, Jong-Keuk Park, Kyeong Seok Lee, Jaewook Kim, Jongkil Park, YeonJoo Jeong, Gyuweon Hwang
Abstract: Provided is a method of manufacturing a stretchable substrate having improved stretching deformation uniformity through control of a spatial crosslinking degree according to various embodiments of the present disclosure to implement the above object. The method includes forming a substrate part of an elastic material, forming an auxetic including a plurality of unit structures on the substrate part, and forming a fixing part on the substrate part on which the auxetic is formed, wherein the fixing part has a different crosslinking density in each region.
Type:
Application
Filed:
September 14, 2023
Publication date:
January 23, 2025
Applicant:
Korea Institute of Science and Technology
Inventors:
Seungjun CHUNG, Jun Chan CHOI, Hoon Yeub JEONG, Jeong Gon SON, Heesuk KIM, Phillip LEE
Abstract: Provided is a method of manufacturing a stretchable substrate having improved thickness deformation uniformity through control of a spatial crosslinking degree according to various embodiments of the present disclosure to implement the above object. The method includes forming a substrate part of an elastic material, forming an auxetic including a plurality of unit structures on the substrate part, and forming a fixing part on the substrate part on which the auxetic is formed, wherein the fixing part has a different vertical crosslinking density at each position.
Type:
Application
Filed:
September 14, 2023
Publication date:
January 23, 2025
Applicant:
Korea Institute of Science and Technology
Inventors:
Seungjun CHUNG, Jun Chan CHOI, Hoon Yeub JEONG, Phillip LEE, Jeong Gon SON, Heesuk KIM
Abstract: The present disclosure relates to a contact verification technology based on signal similarity, and an apparatus of contact verification receives and stores spatiotemporal signal information capable of specifying time and space from a plurality of user equipments (UEs), extract the spatiotemporal signal information of a specific user among the stored spatiotemporal signal information, configure the extracted spatiotemporal signal information of the specific user as reference spatiotemporal signal information, and compare similarity between the reference spatiotemporal signal information and the other stored spatiotemporal signal information, and determine whether or not there is contact between the specific user and another user based on the similarity.
Type:
Application
Filed:
December 13, 2023
Publication date:
January 23, 2025
Applicant:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventors:
Taikjin LEE, Hankyeol KYUNG, Chansoo KIM, Sangkyung KIM, Beomju SHIN, Taehun KIM
Abstract: The present invention relates to a pharmaceutical composition for prevention or treatment of an allergic disease comprising a mixed extract of two or more selected from the group consisting of Asiasarum root, Platycodon root, and Cinnamomi ramulus as an active ingredient; a method for prevention or treatment of an allergic disease using the pharmaceutical composition; and a health functional food and a feed composition for improvement of an allergic disease. The composition and method of the invention can specifically inhibit the differentiation of Th2 cells and thus can be effectively used as a composition for prevention or treatment of an allergic disease.
Type:
Grant
Filed:
May 28, 2019
Date of Patent:
January 21, 2025
Assignees:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, SEOUL NATIONAL UNIVERSITY R & DB FOUNDATION, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventors:
Hyun Ok Yang, Keon Wook Kang, Sung Won Kwon, Jeong Hill Park, Hocheol Kim, Myung Sook Oh, Dae Sik Jang, Doheon Lee, Hak Cheol Kwon, Byung Hwa Jung
Abstract: An operating method is disclosed for a dehydrogenation reaction system. The method includes providing a system having: an acid aqueous solution tank including an acid aqueous solution; a dehydrogenation reactor including a chemical hydride of a solid state and receiving an acid aqueous solution from the acid aqueous solution tank to react the chemical hydride with the acid aqueous solution to generate hydrogen; and a fuel cell stack receiving hydrogen generated from the dehydrogenation reactor to be reacted with oxygen to generate water and simultaneously to generate electrical energy. The method also includes recycling the water generated from the fuel cell stack to one or all of the acid aqueous solution tank, the dehydrogenation reactor, and a separate water tank. The acid is formic acid and, in in the dehydrogenation reactor, the temperature is in a range of 10° C. to 400° C. and the pressure is in a range of 1 bar to 100 bar.
Type:
Grant
Filed:
November 7, 2023
Date of Patent:
January 21, 2025
Assignees:
HUYNDAI MOTOR COMPANY, KIA CORPORATION, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventors:
Pyung Soon Kim, Jin Woo Choung, Jihui Seo, Suk Woo Nam, Young Suk Jo, Hyangsoo Jeong, Jaewon Kirk, Chang Won Yoon, Yongmin Kim
Abstract: An artificial intelligence system and a method for generating action tendency by considering emotion and mood according to recognition of external information include generating primary emotion and mood based on external information of the artificial intelligence system and a preset nature data, generating secondary emotion based on the generated mood, and generating action tendency for suggesting a direction of action decision of the artificial intelligence system based on the generated secondary emotion, and accordingly, an artificial intelligence system capable of smooth and natural interaction with people may be provided.
Type:
Application
Filed:
October 24, 2023
Publication date:
January 16, 2025
Applicant:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Abstract: The present disclosure relates to a multilayer reinforced composite electrolyte membrane and a method for manufacturing the same. The multilayer reinforced composite electrolyte membrane according to the present disclosure has sufficient mechanical properties and improved membrane resistance at the same time since a porous support is impregnated in an ionomer and it is stacked in a multilayer structure. Furthermore, since the composite electrolyte membrane has no wrinkles and cracks due to excellent dimensional stability, it can improve the electrochemical properties of batteries.
Type:
Application
Filed:
September 15, 2022
Publication date:
January 16, 2025
Applicant:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventors:
Jin Young KIM, Youngjoon LIM, Taehyun KWON, Byeong-jo MIN, Bora SEO, Hee-Young PARK, So Young LEE, Hyun Seo PARK, Sung Jong YOO, Hyoung-Juhn KIM, Jong Hyun JANG